Senior Incident Response Analyst

VulnU; Oxford; Hybrid; GBP 85,000 - 110,000; Full time

Job summary

Sophos is seeking a Senior Incident Response Analyst to lead investigations across MDR customers and MSPs within the Critical Incident Response Team. You will use Sophos technologies to contain and remediate incidents, mentor junior analysts, and contribute to detection improvements.

The role requires strong incident response, malware analysis basics, and excellent customer service during high-pressure incidents. Remote-first with some hybrid possibilities.

Qualifications

• 4+ years of methodical cyber security investigations or 2+ years in incident response.
• Experience investigating threats, malware and ransomware.
• Able to work under high-pressure situations with quick decisions.

Responsibilities

• Lead investigative execution of active cyber incidents for MDR customers.
• Contain, remediate threats and provide remediation guidance to MSPs.
• Create technical incident reports and maintain detailed documentation.
• Collaborate with SophosLabs, Detection Engineering and Threat Hunting teams.

Skills

Incident response

Threat hunting

MDR operations

Mentoring

Technical writing

Windows/Linux/macOS

Phone calls / meetings

Tools

OSQuery

SQL

KQL

Job description

# Senior Incident Response AnalystSophos · sophos.comCategory: Incident Response / DFIRLocation: RemoteLevel: SeniorAbout UsSophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats. Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.Role SummarySophos is seeking an experienced and motivated Senior Incident Response Analyst to support Managed Detection and Response (MDR) customers and managed service providers (MSPs) within the Critical Incident Response Team (CIRT). As a Senior Incident Response Analyst, you will lead the investigative execution of active cyber incidents, working directly with customers and MSPs to investigate, contain, and support remediation efforts. Utilizing Sophos technologies, you will work with both large and small organizations across multiple countries and levels of technical maturity. This is a fast-paced role that requires the ability to make quick context-based decisions to disrupt adversary activity. What You Will DoUtilize Sophos technologies to investigate, contain, and respond to cyber incidentsMentor incident response analysts and MDR operations analysts by providing technical guidance, review, and escalation supportPerform advanced incident response analysis to identify initial access, persistence, and lateral movement to contain and remediate threatsSupport MDR customers and MSPs by conducting phone calls and joining meetings to discuss cyber incidents, while often providing priority recommendations to contain, neutralize, and remediateConduct analysis of cyber incidents for malware, ransomware, and other common attack typesMaintain accurate and detailed documentation for analysis performed during cyber incidentsWork closely with internal SophosLabs, Detection Engineering, and Threat Hunting teams to continuously expand and improve detection logicWork closely with Sophos MDR Operations teams in providing response, remediation guidance, and excellent customer serviceWhere appropriate, contribute to Sophos blogs, social media, and other sources on adversary tactics, techniques, and procedures (TTPs), indicators of compromise (IOCs), and other investigative findingsEvaluate new technologies and processes to improve the overall incident response capabilityAssist in creating accurate and detailed technical incident reports as a post-incident deliverable for MDR customers and MSPsWhat You Will BringEssential:4+years experience conducting cyber security investigations in a methodical manner and investigating threats or 2+years experience performing incident response engagementsUnderstanding of network architecture and IT infrastructureExperience creating technical documentation and technical reports for customersAbility to work under high-pressure situations, when response time matters, to disrupt adversary activityNetwork and endpoint (macOS, Linux, Windows) investigation experience; IDS, IPS, EDR, and basic malware analysisUnderstanding of at least one of the following: OSQuery, SQL, and KQLExperience applying frameworks such as MITRE Attack and Cyber Kill ChainAbility to work some weekends and holidaysKnowledge of Windows and Linux command and script interpretersDesired:Advanced cyber security certifications (GCFE/GCFA, CompTIA CySA+, OSCP, etc.)Experience calling customers and providing excellent customer servicePublications, either written or acknowledged, within the cyber security field#B2#LI-RemoteReady to Join Us?At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply. What's Great About Sophos?· Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.· Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit· Employee-led diversity and inclusion networks that build community and provide education and advocacy· Annual charity and fundraising initiatives and volunteer days for employees to support local communities· Global employee sustainability initiatives to reduce our environmental footprint· Global fitness and trivia competitions to keep our bodies and minds sharp· Global wellbeing days for employees to relax and recharge · Monthly wellbeing webinars and training to support employee health and wellbeing Our Commitment To YouWe’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation. We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know. Data ProtectionIf you choose to explore an opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos. If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights. For more information on Sophos’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos